# Galaxy Attack vs Operation

The clearest difference is in-app purchases: Operation at none against Galaxy Attack's 9. Galaxy Attack's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Galaxy Attack sells 9 one-off in-app purchases. Operation asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Galaxy Attack | Operation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/galaxy-attack-space-invaders/id6499509018/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | Free with in-app purchases | **Free** |
| Size | 64 MB | 12 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Thi Na](https://appshunter.io/developer/1580512155) | [Boris Kravchenko](https://appshunter.io/developer/1700260082) |

## What reviewers say

### Galaxy Attack

[App page](https://appshunter.io/ios/app/galaxy-attack-space-invaders/id6499509018)

Engage in an intense space battle as a warrior defending the galaxy from alien invaders. Use your energy ball and arsenal to destroy enemy ships, collect power-ups, and defeat formidable boss vessels. Immerse yourself in mesmerizing interstellar environments and prove your skills to save the universe.

**Highlights:** Space warrior role, Energy ball weapon, Power-up collection, Boss ship battles, Interstellar environments, Level progression

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $0.99 | one-time |
| RemoveAds | $1.99 | one-time |
| Zenmode | $1.99 | one-time |
| 3150 Coins | $2.99 | one-time |
| RemoveAds Plus | $3.99 | one-time |
| 5500 Coins | $4.99 | one-time |
| Increase MaxLives from 2 to 5 | $5.99 | one-time |
| 12000 Coins | $9.99 | one-time |
| 39000 Coins | $29.99 | one-time |


### Operation

[App page](https://appshunter.io/ios/app/operation-invaders-from-space/id6738130147)

Pilot a spaceship to defend Earth from an alien invasion. Dodge enemy ships, collect star dust for points, and use onboard weapons to defeat the xenomorphs and save humanity.

**Highlights:** Spaceship combat, Alien invasion defense, Dodge enemy ships, Collect star dust, Use onboard weapons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Galaxy Attack free?

Galaxy Attack is free to download, with in-app purchases available.

### Is Operation free?

Operation is free to download, with no in-app purchases.

### Do Galaxy Attack or Operation have ads?

Neither Galaxy Attack nor Operation shows ads.

### Which is updated more often, Galaxy Attack or Operation?

Galaxy Attack ships an update daily, and Operation daily. Most recently, Galaxy Attack was updated on September 19, 2026 and Operation on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*